About a year ago i noticed a small hard bumb on the bottom of my sc rotum. I'm embarassed to tell anyone and im 15. i was 14 when i first noticed it. now that im 15, it has gotten a little bigger, it is looking a bit red like it is swollen a little. and it is very hard if i try to feel it, and it hurts when I walk sometimes because it naturally bumps my leg when i walk..... and again, the description is, small pebble sixe, hard to the touch, and just under the skin. what is it? is it like some small tumor, i dont know what a tumor would look like. Im going to talk to someone really soon, i just wanted to ask here first. thanks in advance